feline leukemia-virus infection “x-cessory” [factor](English)
- endogenous protein that was designed de novo to fold into an antiparallel four-helix bundle of specific topology. Its sequence of 79 amino acid residues is not homologous to any known protein sequence, but is "native-like" in that it is nonrepetitive and contains 19 of the 20 naturally occurring amino acids; aka FeLIX
- FeLV-T, SU
- Leukemia, Virology
- https://doi.org….8888-8898.2001
- https://doi.org…science.2392678